CN205271430U - Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center - Google Patents
Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center Download PDFInfo
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- CN205271430U CN205271430U CN201620003609.9U CN201620003609U CN205271430U CN 205271430 U CN205271430 U CN 205271430U CN 201620003609 U CN201620003609 U CN 201620003609U CN 205271430 U CN205271430 U CN 205271430U
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- motion platform
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- electric motor
- magnetic suspension
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Abstract
The utility model provides a controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center which characterized in that: magnetic suspension motion platform include motion platform, base, controllable excitation linear synchronized motor, suspension control system and motion control system, magnetcisuspension buoyancy is the unilateral magnetism pulling force that produces between excitation magnetic pole and linear synchronized motor's on the stator the active cell iron core, adjusts magnetcisuspension buoyancy through adjusting excitation current, and the magnetcisuspension buoyancy that motion platform relied on two motor self to produce moves, has the ability of direct self -suspending.
Description
Technical field
The utility model relates to a kind of motion platform, particularly relates to a kind of for vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, belongs to fields of numeric control technique.
Background technology
Friction is the important factor affecting vertical Cutter Body Processing with Machining Center precision, is also the factor causing abrasion, producing noise, and therefore, reducing or eliminating friction becomes the technical bottleneck restricting vertical processing central line motion platform performance. Traditional vertical processing central line motion platform many employings servosystem drives, precise ball lead screw transmission and rail plate support, serious mechanical friction is there is, it is easy to produce elasticity distortion, dust etc., seriously affect the precision at processing center and the life-span of lathe when High-speed machining. Therefore, the practical novel magnetically levitated motion platform of novel one of urgent needs.
Summary of the invention
Practical novel object:
The utility model provides a kind of vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, its objective is the friction problem that solution existing vertical processing center motion platform exists in the course of processing.
Technical scheme:
A kind of vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterised in that: described magnetic suspension movement platform comprises motion platform, pedestal, controllable excitation Linear Synchronous electric motor, suspension control system and kinetic control system; When controllable excitation Linear Synchronous electric motor comprises stator core and uses and stator core make the mover core of relative movement; Field copper it is provided with in stator core; Armature winding it is provided with in mover core; Below four angles of motion platform, it is provided with four automatic leveling electro-magnet on pedestal, it is provided with auxiliary guide rail and long grating sensing device; Motion platform is connected with pedestal by auxiliary guide rail, it may also be useful to time motion platform suspend relative to pedestal; Stator core is arranged on below pedestal, and mover core is corresponding with stator core, and stator core is connected with motion platform; The suspension of suspension control system and kinetic control system difference controls movement platform and feeding.
Pedestal is arranged on Lower layer motion platform, and Lower layer motion platform is connected with lower floor pedestal by lower floor's auxiliary guide rail, is provided with the long grating sensing device of lower floor's auxiliary guide rail and lower floor on lower floor's pedestal, it may also be useful to time lower floor motion platform relative to lower floor's pedestal suspension; Lower floor's auxiliary guide rail is vertical with auxiliary guide rail length direction, and lower floor's stator core is arranged on below lower floor's pedestal, and lower floor's mover core is corresponding with lower floor stator core, and lower floor's stator core is connected with Lower layer motion platform; Lower floor's suspension control system and Lower layer motion Controlling System control suspension and the feeding of Lower layer motion platform respectively.
Also being provided with four automatic leveling electro-magnet under Lower layer motion platform four angles, when motion platform or Lower layer motion plateau levels run time, automatic leveling electro-magnet does not work, and its magnetizing current is zero; Only when inclination occurs in motion platform, automatic leveling electro-magnet just there is magnetizing current, plays the effect making plateau levels, and carry out the motion platform that suspends or Lower layer motion platform with electro-magnet, electro-magnet is connected with magnetizing current all the time.
By adjusting the magnetizing current of linear motor, in order to change magnetic suspension force, thus the magnetic levitation of controls movement platform vertical direction height, it is achieved the direct magnetic levitation of motion platform.
The magnetic pole driving the controllable excitation Linear Synchronous electric motor of magnetic suspension movement platform is excitation pole, is also suspension magnetic pole simultaneously, by regulating magnetizing current to realize the direct adjustment in magnetic field.
Magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below pedestal identical, by regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
Lower floor's magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below lower floor's pedestal identical, by regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
Described motion platform is provided with current vortex sensor.
Advantage and effect
The utility model is a kind of vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, and concrete advantageous effect is as follows:
1, the tangential movement of magnetic suspension movement platform and magnetic levitation are completed jointly by two controllable excitation Linear Synchronous electric motor, by regulating magnetizing current to regulate suspending power, by regulating armature current to regulate electromagnetic push. Platform structure is simple, reliability height, eliminates ball-screw transmission chain, it is achieved that Direct driver.
2, being provided with four automatic leveling electro-magnet below each automatic leveling magnetic suspension movement platform four angle, when motion platform level run, automatic leveling magnet does not work, and its magnetizing current is zero. Only when motion platform occurs, automatic leveling electro-magnet just there is magnetizing current, plays the effect making plateau levels, this kind of mode of operation both saves energy, motion platform level run can be ensured again simultaneously. And the motion platform that suspends is carried out with electro-magnet, in order to maintain the suspension of platform, electro-magnet is connected with bigger magnetizing current all the time.
3, vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, by adjusting the magnetizing current of two linear motors, in order to change magnetic suspension force, thus the magnetic levitation of controls movement platform vertical direction height, it is achieved the direct magnetic levitation of motion platform.
4, vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, the magnetic pole driving the controllable excitation Linear Synchronous electric motor of magnetic suspension movement platform is excitation pole, also it is suspension magnetic pole, by regulating magnetizing current to realize the direct adjustment in magnetic field simultaneously. With permanent magnet linear synchronous motor compared with electro-magnet multi-point support magnetic suspension platform, overcome the shortcoming that breath magnetic field is difficult to regulate.
5 with permanent magnet linear synchronous motor compared with electro-magnet multi-point support magnetic suspension movement platform, multi-point support electro-magnet not only to have been suspended motion platform and load thereof, and the very big unilateral magnetic force overcome in permanent magnet linear synchronous motor between permanent magnet and stator core, therefore, electro-magnet capacity is very big, had both needed very big magnetizing current, and had needed again a lot of iron-core laminations, make levitating electromagnet volume very big, it is necessary to consume more electric energy.
6, linear motion platform is arranged on the mover of controllable excitation Linear Synchronous electric motor, and the guide rail of linear motion platform is also Linear Synchronous electric motor auxiliary guide rail simultaneously.
7, the vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform that this practicality is novel, controllable excitation Linear Synchronous electric motor is adopted to drive, there is the feature without the direct feeding of friction, improve precision and the response speed of motion platform, eliminate and creep and oppositely dead band, thermal distortion, abrasion, noise and exempt from lubrication, it is to increase the life-span of lathe.
Accompanying drawing explanation
Fig. 1: vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform structural representation;
Fig. 2: platform left view on magnetic suspension movement platform;
Fig. 3: platform front view on magnetic suspension movement platform;
Number in the figure is described as follows:
1. stator core; 2. motion platform; 3. pedestal; 4. auxiliary guide rail; 5. long grating sensing device; 6. field copper; 7. armature winding; 8. current vortex sensor; 9. leveling electro-magnet; 10. suspension control system; 11. kinetic control systems; 12. mover cores.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in the figure, the utility model proposes a kind of vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, described magnetic suspension movement platform comprises motion platform 2, pedestal 3, controllable excitation Linear Synchronous electric motor, suspension control system 10 and kinetic control system 11; When controllable excitation Linear Synchronous electric motor comprises stator core 1 and uses and stator core 1 make the mover core 12 of relative movement; Field copper 6 it is provided with in stator core 1; Armature winding 7 it is provided with in mover core 12; Pedestal is provided with auxiliary guide rail 4 and long grating sensing device 5; Motion platform 2 is connected with pedestal 3 by auxiliary guide rail 4, it may also be useful to time motion platform 2 suspend relative to pedestal 3; Stator core 1 is arranged on below pedestal 3, and mover core 12 is corresponding with stator core 1, and stator core 1 is connected with motion platform 2; The suspension of suspension control system 10 and kinetic control system 11 difference controls movement platform and feeding. Field copper 6 can make mover core 12 do suspended motion relative to stator core 1; Being provided with armature winding 7 in described mover core 12, armature winding 7 can make mover core 12 do translational motion relative to stator core 1.
Suspend and it is divided into upper and lower two layers with feeding mechanism, upper and lower double-layer structure is substantially identical, that is pedestal 3 is arranged on Lower layer motion platform, Lower layer motion platform is connected with lower floor pedestal by lower floor's auxiliary guide rail, lower floor's pedestal is provided with the long grating sensing device of lower floor's auxiliary guide rail and lower floor, it may also be useful to time lower floor motion platform suspend relative to lower floor's pedestal; Lower floor's auxiliary guide rail is vertical with auxiliary guide rail 4 length direction, and lower floor's stator core is arranged on below lower floor's pedestal, and lower floor's mover core is corresponding with lower floor stator core, and lower floor's stator core is connected with Lower layer motion platform; Lower floor's suspension control system and Lower layer motion Controlling System control suspension and the feeding of Lower layer motion platform respectively.
There are four automatic leveling electro-magnet under motion platform and Lower layer motion platform four angles, move with motion platform. When motion platform or Lower layer motion plateau levels run time, automatic leveling electro-magnet does not work, and its magnetizing current is zero; Only when inclination occurs in motion platform, automatic leveling electro-magnet just there is magnetizing current, plays the effect making plateau levels, and carry out the motion platform that suspends or Lower layer motion platform with electro-magnet, electro-magnet is connected with magnetizing current all the time.
By adjusting the magnetizing current of linear motor, in order to change magnetic suspension force, thus the magnetic levitation of controls movement platform vertical direction height, it is achieved the direct magnetic levitation of motion platform. By regulating the armature current of two linear motors, change electromagnetic push, the suspension of automatic leveling magnetic suspension movement platform vertical direction and the feeding of horizontal direction are controlled by suspension control system and kinetic control system respectively, thus the magnetic levitation of controls movement platform runs.
The magnetic pole driving the controllable excitation Linear Synchronous electric motor of magnetic suspension movement platform is excitation pole, is also suspension magnetic pole simultaneously, by regulating magnetizing current to realize the direct adjustment in magnetic field.
Magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below pedestal identical, ensures the tangential movement of motion platform and the suspension of vertical direction to produce bigger thrust. By regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
Lower floor's magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below lower floor's pedestal identical, by regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
Automatic leveling magnetic suspension movement platform is that the magnetic suspension force produced by two controllable excitation Linear Synchronous electric motor self suspends, and has the ability of directly suspension.
Described motion platform 2 is provided with current vortex sensor 8.
In the utility model after leading to three-phase symmetrical sinusoidal current in armature winding 7, air gap produces travelling-magnetic-field. The excitation magnetic field interactions that this travelling-magnetic-field and field copper 6 produce produces electromagnetic push.
When the gross weight of motion platform and loads on platforms is equal with the size of magnetic pulling force, platform is in suspended state, and platform suspension height is controlled by suspension control system 10.
In sum, the suspension of the automatic leveling magnetic suspension movement plateau levels direction motion that this practicality is novel and vertical direction, drive by the identical controllable excitation Linear Synchronous motor synchronous of two parallel installations, motion platform is directly installed on the mover of controllable excitation Linear Synchronous electric motor, and the motion of platform realizes by the tangential electricity thrust of Linear Synchronous electric motor. By regulating the electric current of armature winding to change electromagnetic push; Magnetic suspension force is the unilateral magnetic force produced between the mover core of the excitation pole on stator and Linear Synchronous electric motor, by regulating magnetizing current to regulate magnetic suspension force, the magnetic suspension force that motion platform relies on two motors self to produce runs, and has the ability of direct self-suspending.
Claims (8)
1. a vertical processing center controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterised in that: described magnetic suspension movement platform comprises motion platform (2), pedestal (3), controllable excitation Linear Synchronous electric motor, suspension control system (10) and kinetic control system (11); When controllable excitation Linear Synchronous electric motor comprises stator core (1) and uses and stator core (1) make the mover core (12) of relative movement; Field copper (6) it is provided with in stator core (1); Armature winding (7) it is provided with in mover core (12); Below four angles of motion platform, it is provided with four automatic leveling electro-magnet (9) on pedestal, it is provided with auxiliary guide rail (4) and long grating sensing device (5); Motion platform (2) is connected with pedestal (3) by auxiliary guide rail (4), it may also be useful to time motion platform (2) suspend relative to pedestal (3); Stator core (1) is arranged on below pedestal (3), and mover core (12) is corresponding with stator core (1), and stator core (1) is connected with motion platform (2); The suspension of suspension control system (10) and kinetic control system (11) difference controls movement platform and feeding.
2. vertical processing center according to claim 1 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: pedestal (3) is arranged on Lower layer motion platform, Lower layer motion platform is connected with lower floor pedestal by lower floor's auxiliary guide rail, lower floor's pedestal is provided with the long grating sensing device of lower floor's auxiliary guide rail and lower floor, it may also be useful to time lower floor motion platform suspend relative to lower floor's pedestal; Lower floor's auxiliary guide rail is vertical with auxiliary guide rail (4) length direction, and lower floor's stator core is arranged on below lower floor's pedestal, and lower floor's mover core is corresponding with lower floor stator core, and lower floor's stator core is connected with Lower layer motion platform; Lower floor's suspension control system and Lower layer motion Controlling System control suspension and the feeding of Lower layer motion platform respectively.
3. vertical processing center according to claim 2 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: under Lower layer motion platform four angles, be also provided with four automatic leveling electro-magnet, when motion platform or Lower layer motion plateau levels run time, automatic leveling electro-magnet does not work, and its magnetizing current is zero; Only when inclination occurs in motion platform, automatic leveling electro-magnet just there is magnetizing current, plays the effect making plateau levels, and carry out the motion platform that suspends or Lower layer motion platform with electro-magnet, electro-magnet is connected with magnetizing current all the time.
4. vertical processing center according to claim 1 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: by adjusting the magnetizing current of linear motor, in order to change magnetic suspension force, thus the magnetic levitation of controls movement platform vertical direction height, it is achieved the direct magnetic levitation of motion platform.
5. vertical processing center according to claim 1 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: the magnetic pole driving the controllable excitation Linear Synchronous electric motor of magnetic suspension movement platform is excitation pole, also it is suspension magnetic pole, by regulating magnetizing current to realize the direct adjustment in magnetic field simultaneously.
6. vertical processing center according to claim 1 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below pedestal identical, by regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
7. vertical processing center according to claim 2 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterized in that: lower floor's magnetic suspension movement platform jointly drives by the controllable excitation Linear Synchronous electric motor being installed in parallel in two below lower floor's pedestal identical, by regulating the armature current of linear motor, in order to change electromagnetic push, it is achieved Direct driver.
8. vertical processing center according to claim 1 controllable excitation Linear Synchronous electric motor magnetic suspension movement platform, it is characterised in that: on described motion platform (2), it is provided with current vortex sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003609.9U CN205271430U (en) | 2016-01-06 | 2016-01-06 | Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003609.9U CN205271430U (en) | 2016-01-06 | 2016-01-06 | Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center |
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| Publication Number | Publication Date |
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| CN205271430U true CN205271430U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620003609.9U Expired - Fee Related CN205271430U (en) | 2016-01-06 | 2016-01-06 | Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500032A (en) * | 2016-01-06 | 2016-04-20 | 沈阳工业大学 | Magnetic levitation motion stage provided with controllable excitation linear synchronous motors and used for vertical machining center |
| CN111069927A (en) * | 2020-01-16 | 2020-04-28 | 深圳市强华科技发展有限公司 | Light sliding platform of drilling machine |
-
2016
- 2016-01-06 CN CN201620003609.9U patent/CN205271430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500032A (en) * | 2016-01-06 | 2016-04-20 | 沈阳工业大学 | Magnetic levitation motion stage provided with controllable excitation linear synchronous motors and used for vertical machining center |
| CN111069927A (en) * | 2020-01-16 | 2020-04-28 | 深圳市强华科技发展有限公司 | Light sliding platform of drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20180106 |